Technical facts

./CppShapeWidget/CppShapeWidget.pri


INCLUDEPATH += \

    ../../Classes/CppShapeWidget



SOURCES += \

    ../../Classes/CppShapeWidget/shapewidget.cpp



HEADERS  += \

    ../../Classes/CppShapeWidget/shapewidget.h



OTHER_FILES += \

    ../../Classes/CppShapeWidget/Licence.txt

./CppShapeWidget/shapewidget.h


//---------------------------------------------------------------------------

/*

ShapeWidget, class for displaying a Shape

Copyright (C) 2011-2015 Richel Bilderbeek



This program is free software: you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation, either version 3 of the License, or

(at your option) any later version.



This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with this program. If not, see <http://www.gnu.org/licenses/>.

*/

//---------------------------------------------------------------------------

//From http://www.richelbilderbeek.nl/CppShapeWidget.htm

//---------------------------------------------------------------------------

#ifndef SHAPEWIDGET_H

#define SHAPEWIDGET_H



#include <string>

#include <vector>



#pragma GCC diagnostic push

#pragma GCC diagnostic ignored "-Weffc++"

#pragma GCC diagnostic ignored "-Wunused-local-typedefs"

#include <boost/checked_delete.hpp>

#include <boost/signals2.hpp>

#include "widget.h"

#pragma GCC diagnostic pop



namespace ribi {



struct Shape;



///ShapeWidget is a class to display a Shape

struct ShapeWidget : public Widget

{

  explicit ShapeWidget(

    const int n_corners,

    const double rotation,

    const int x = 0,

    const int y = 0,

    const int width = 100,

    const int height = 100,

    const unsigned char red = 255,

    const unsigned char green = 255,

    const unsigned char blue = 255);



  ///Make a deep copy of ShapeWidget

  ShapeWidget * Clone() const noexcept;



  ///Obtain a read-only pointert to the Shape

  const Shape * GetShape() const noexcept { return m_shape.get(); }





  private:

  //ShapeWidget can only be deleted by Boost smart pointers

  virtual ~ShapeWidget() noexcept {}

  friend void boost::checked_delete<>(ShapeWidget*);

  friend bool operator==(const ShapeWidget& lhs,const ShapeWidget& rhs) noexcept;



  ///The Shape

  boost::scoped_ptr<Shape> m_shape;



  public:

  static std::string GetVersion() noexcept;

  static std::vector<std::string> GetVersionHistory() noexcept;

};



bool operator==(const ShapeWidget& lhs,const ShapeWidget& rhs) noexcept;



} //~namespace ribi



#endif // SHAPEWIDGET_H

./CppShapeWidget/shapewidget.cpp


#pragma GCC diagnostic push

#pragma GCC diagnostic ignored "-Weffc++"

#pragma GCC diagnostic ignored "-Wunused-local-typedefs"

#include "shapewidget.h"



#include <cassert>

#include <cmath>



#include <boost/numeric/conversion/cast.hpp>



#include "shape.h"



//#include "trace.h"



#pragma GCC diagnostic pop



ribi::ShapeWidget::ShapeWidget(

  const int n_corners,

  const double rotation,

  const int x,

  const int y,

  const int width,

  const int height,

  const unsigned char red,

  const unsigned char green,

  const unsigned char blue)

  : m_shape(new Shape(n_corners,rotation,red,green,blue))

{

  SetGeometry(x,y,width,height);

}



ribi::ShapeWidget * ribi::ShapeWidget::Clone() const noexcept

{

  ShapeWidget * const w = new ShapeWidget(

    GetShape()->GetNumberOfCorners(),

    GetShape()->GetRotation(),

    GetLeft(),

    GetTop(),

    GetWidth(),

    GetHeight(),

    GetShape()->GetRed(),

    GetShape()->GetGreen(),

    GetShape()->GetBlue()

  );

  assert(*w == *this);

  return w;

}



std::string ribi::ShapeWidget::GetVersion() noexcept

{

  return "2.1";

}



std::vector<std::string> ribi::ShapeWidget::GetVersionHistory() noexcept

{

  return {

    "2011-07-13: Version 1.0: initial version",

    "2011-07-18: Version 1.1: removed useless member functions",

    "2011-08-08: Version 2.0: conformized architecture to MysteryMachineWidget",

    "2014-03-28: version 2.1: replaced Rect by Boost.Geometry its box class"

  };

}



bool ribi::operator==(const ShapeWidget& lhs,const ShapeWidget& rhs) noexcept

{

  return

    //lhs.GetGeometry() ==  rhs.GetGeometry()

    //&&

    *lhs.GetShape()    == *rhs.GetShape();

}

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(C++) ShapeWidget

Technical facts

./CppShapeWidget/CppShapeWidget.pri

./CppShapeWidget/shapewidget.h

./CppShapeWidget/shapewidget.cpp